Principal Engineer - Data Intelligence (Hybrid)

Yahoo Holdings Inc. in

Mountain View (CA)

Hybrid

USD 144,000 - 299,000

Full time

3 days ago

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Job summary

Yahoo Holdings Inc. seeks a Principal Engineer to lead architecture and development of AI-powered data intelligence platforms at Yahoo scale.

You will set technical direction for enterprise AI systems and build reusable platform capabilities that cross engineering, analytics, governance, and business teams. You will drive Retrieval-Augmented Generation, agentive AI, and governance signals to enable reliable, scalable insights across data ecosystems, shaping how Yahoo engineers leverage AI during

Qualifications

10+ years building distributed systems and large-scale data platforms or equivalent experience.
Degree in CS, AI/ML, Engineering, Math, or related field.
Deep Python expertise and strong software engineering fundamentals.
Production experience with batch and streaming processing (Kafka or equivalent).
Shipped and operated RAG applications in production; search and reranking.
Track record evaluating AI-generated code correctness and operational safety.
Strong communication and technical leadership across cross-functional stakeholders.

Responsibilities

Define technical vision and architecture for Yahoo's AI-powered data intelligence platform.
Architect petabyte-scale batch and streaming systems with Beam, Dataflow, Spark, and Kafka.
Build production RAG and multi-agent systems: semantic metadata integration, agent orchestration.
Establish evaluation frameworks for retrieval quality, agent accuracy, and operational safety.
Use AI development tools to accelerate design and ensure governance across the org.
Drive adoption of RAG and agentic patterns across engineers.
Partner with product, governance, infrastructure, and priority stakeholders.